socks5systemz | 41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed

General

Target

41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe
Size

3.4MB
MD5

2370eb1513135878a59150e25db65db2
SHA1

d99a299e92dc47cc5cc9528741ade57c9d4db182
SHA256

41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed
SHA512

67d21c6bfbbeacce9c554359c4cbace2d77c9fa29fedc5d0cea6b89c9234f55bb9f60e0e686ee89483674f708b563d1e259c4fa6435291f327bc82d01909a5e2
SSDEEP

98304:Ndus3aB3P88lfR5WpFT5QtUogdawhccFWD4BRlwWYA0:vuJB3P88JswU0eVFWD4lwWu

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1120-74-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1120-103-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1120-104-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp
1120	berryplayer32.exe

Loads dropped DLL 2 IoCs

pid	Process
4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp
1120	berryplayer32.exe

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	45.155.250.90

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	berryplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp
4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 4152	5020	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe	83
PID 5020 wrote to memory of 4152	5020	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe	83
PID 5020 wrote to memory of 4152	5020	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe	83
PID 4152 wrote to memory of 2080	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	84
PID 4152 wrote to memory of 2080	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	84
PID 4152 wrote to memory of 2080	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	84
PID 4152 wrote to memory of 1120	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	86
PID 4152 wrote to memory of 1120	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	86
PID 4152 wrote to memory of 1120	4152	41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp	86
PID 2080 wrote to memory of 4900	2080	net.exe	87
PID 2080 wrote to memory of 4900	2080	net.exe	87
PID 2080 wrote to memory of 4900	2080	net.exe	87

C:\Users\Admin\AppData\Local\Temp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe
"C:\Users\Admin\AppData\Local\Temp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\is-IEHIG.tmp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IEHIG.tmp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp" /SL5="$501D6,3322678,54272,C:\Users\Admin\AppData\Local\Temp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause berry_player_11275
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2080
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause berry_player_11275
      4⤵
      System Location Discovery: System Language Discovery
      PID:4900
- - C:\Users\Admin\AppData\Local\Berry Player 3.3.7\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player 3.3.7\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Berry Player 3.3.7\berryplayer32.exe

Filesize
2.9MB

MD5
e1ef5f5b25469291c973b3441d2d21ca

SHA1
03329d787c0819813da6283dc60d60cfb9303417

SHA256
3b7b723c75444f440006be2ca08efc06c27a30ad5ce32ae6de562edad16cf9ee

SHA512
cb8981c72eb2c8e68da902f780a1b8130e14b7ab8d6468fa7a0b3b7d9b9812139ce00f8ba3d78d099086811a629489012999b0635cbedf682662246277b49c60

Download Submit
C:\Users\Admin\AppData\Local\Berry Player 3.3.7\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CJU13.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IEHIG.tmp\41b4c8701532ae155776372f90aadfe10fca3e0e2221cbd8725ff633af1b7bed.tmp

Filesize
687KB

MD5
e2a6c294ae5aab14f10f98c446ff8392

SHA1
d19370582ec0af0e5ff79c0b9c563d2b2012f8d9

SHA256
9a3303cbe5e05a77f79d5e6509139620de83de1361fb5fb75e5b708b7be2340b

SHA512
b5077e8693929fda59cf1296d2b41f309cf218898b8d2230103c132556ad05e7cf8416b632334ecb083c8b5957ebb39ed565587ffa153f575b302662343c752d

Download Submit
memory/1120-60-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-85-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-112-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-42-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-43-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-47-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-108-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-104-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1120-51-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-52-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1120-56-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-103-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1120-64-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-68-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-72-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-74-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/1120-80-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-82-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-101-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-89-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-93-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1120-97-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/4152-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4152-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/5020-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5020-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5020-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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